Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/engine/tb_pkmeth.c	Lines:	4	36	11.1 %
Date:	2017-11-07	Branches:	1	24	4.2 %


/* $OpenBSD: tb_pkmeth.c,v 1.6 2017/01/29 17:49:23 beck Exp $ */
/* ====================================================================
 * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    licensing@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

#include <openssl/err.h>

#include "eng_int.h"
#include <openssl/evp.h>

/* If this symbol is defined then ENGINE_get_pkey_meth_engine(), the function
 * that is used by EVP to hook in pkey_meth code and cache defaults (etc), will
 * display brief debugging summaries to stderr with the 'nid'. */
/* #define ENGINE_PKEY_METH_DEBUG */

static ENGINE_TABLE *pkey_meth_table = NULL;

void
ENGINE_unregister_pkey_meths(ENGINE *e)
{
	engine_table_unregister(&pkey_meth_table, e);
}

static void
engine_unregister_all_pkey_meths(void)
{
	engine_table_cleanup(&pkey_meth_table);
}

int
ENGINE_register_pkey_meths(ENGINE *e)
{
	if (e->pkey_meths) {
		const int *nids;
		int num_nids = e->pkey_meths(e, NULL, &nids, 0);
		if (num_nids > 0)
			return engine_table_register(&pkey_meth_table,
			    engine_unregister_all_pkey_meths, e, nids,
			    num_nids, 0);
	}
	return 1;
}

void
ENGINE_register_all_pkey_meths(void)
{
	ENGINE *e;

	for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
		ENGINE_register_pkey_meths(e);
}

int
ENGINE_set_default_pkey_meths(ENGINE *e)
{
	if (e->pkey_meths) {
		const int *nids;
		int num_nids = e->pkey_meths(e, NULL, &nids, 0);
		if (num_nids > 0)
			return engine_table_register(&pkey_meth_table,
			    engine_unregister_all_pkey_meths, e, nids,
			    num_nids, 1);
	}
	return 1;
}

/* Exposed API function to get a functional reference from the implementation
 * table (ie. try to get a functional reference from the tabled structural
 * references) for a given pkey_meth 'nid' */
ENGINE *
ENGINE_get_pkey_meth_engine(int nid)
{
	return engine_table_select(&pkey_meth_table, nid);
}

/* Obtains a pkey_meth implementation from an ENGINE functional reference */
const EVP_PKEY_METHOD *
ENGINE_get_pkey_meth(ENGINE *e, int nid)
{
	EVP_PKEY_METHOD *ret;
	ENGINE_PKEY_METHS_PTR fn = ENGINE_get_pkey_meths(e);

	if (!fn || !fn(e, &ret, NULL, nid)) {
		ENGINEerror(ENGINE_R_UNIMPLEMENTED_PUBLIC_KEY_METHOD);
		return NULL;
	}
	return ret;
}

/* Gets the pkey_meth callback from an ENGINE structure */
ENGINE_PKEY_METHS_PTR
ENGINE_get_pkey_meths(const ENGINE *e)
{
	return e->pkey_meths;
}

/* Sets the pkey_meth callback in an ENGINE structure */
int
ENGINE_set_pkey_meths(ENGINE *e, ENGINE_PKEY_METHS_PTR f)
{
	e->pkey_meths = f;
	return 1;
}

/* Internal function to free up EVP_PKEY_METHOD structures before an
 * ENGINE is destroyed
 */

void
engine_pkey_meths_free(ENGINE *e)
{
	int i;
	EVP_PKEY_METHOD *pkm;

	if (e->pkey_meths) {
		const int *pknids;
		int npknids;
		npknids = e->pkey_meths(e, NULL, &pknids, 0);
		for (i = 0; i < npknids; i++) {
			if (e->pkey_meths(e, &pkm, NULL, pknids[i])) {
				EVP_PKEY_meth_free(pkm);
			}
		}
	}
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: tb_pkmeth.c,v 1.6 2017/01/29 17:49:23 beck Exp $ */
2			/* ====================================================================
3			* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
4			*
5			* Redistribution and use in source and binary forms, with or without
6			* modification, are permitted provided that the following conditions
7			* are met:
8			*
9			* 1. Redistributions of source code must retain the above copyright
10			* notice, this list of conditions and the following disclaimer.
11			*
12			* 2. Redistributions in binary form must reproduce the above copyright
13			* notice, this list of conditions and the following disclaimer in
14			* the documentation and/or other materials provided with the
15			* distribution.
16			*
17			* 3. All advertising materials mentioning features or use of this
18			* software must display the following acknowledgment:
19			* "This product includes software developed by the OpenSSL Project
20			* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
21			*
22			* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23			* endorse or promote products derived from this software without
24			* prior written permission. For written permission, please contact
25			* licensing@OpenSSL.org.
26			*
27			* 5. Products derived from this software may not be called "OpenSSL"
28			* nor may "OpenSSL" appear in their names without prior written
29			* permission of the OpenSSL Project.
30			*
31			* 6. Redistributions of any form whatsoever must retain the following
32			* acknowledgment:
33			* "This product includes software developed by the OpenSSL Project
34			* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
35			*
36			* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37			* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39			* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40			* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41			* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42			* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43			* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45			* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46			* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47			* OF THE POSSIBILITY OF SUCH DAMAGE.
48			* ====================================================================
49			*
50			* This product includes cryptographic software written by Eric Young
51			* (eay@cryptsoft.com). This product includes software written by Tim
52			* Hudson (tjh@cryptsoft.com).
53			*
54			*/
55
56			#include <openssl/err.h>
57
58			#include "eng_int.h"
59			#include <openssl/evp.h>
60
61			/* If this symbol is defined then ENGINE_get_pkey_meth_engine(), the function
62			* that is used by EVP to hook in pkey_meth code and cache defaults (etc), will
63			* display brief debugging summaries to stderr with the 'nid'. */
64			/* #define ENGINE_PKEY_METH_DEBUG */
65
66			static ENGINE_TABLE *pkey_meth_table = NULL;
67
68			void
69			ENGINE_unregister_pkey_meths(ENGINE *e)
70			{
71			engine_table_unregister(&pkey_meth_table, e);
72			}
73
74			static void
75			engine_unregister_all_pkey_meths(void)
76			{
77			engine_table_cleanup(&pkey_meth_table);
78			}
79
80			int
81			ENGINE_register_pkey_meths(ENGINE *e)
82			{
83			if (e->pkey_meths) {
84			const int *nids;
85			int num_nids = e->pkey_meths(e, NULL, &nids, 0);
86			if (num_nids > 0)
87			return engine_table_register(&pkey_meth_table,
88			engine_unregister_all_pkey_meths, e, nids,
89			num_nids, 0);
90			}
91			return 1;
92			}
93
94			void
95			ENGINE_register_all_pkey_meths(void)
96			{
97			ENGINE *e;
98
99			for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
100			ENGINE_register_pkey_meths(e);
101			}
102
103			int
104			ENGINE_set_default_pkey_meths(ENGINE *e)
105			{
106			if (e->pkey_meths) {
107			const int *nids;
108			int num_nids = e->pkey_meths(e, NULL, &nids, 0);
109			if (num_nids > 0)
110			return engine_table_register(&pkey_meth_table,
111			engine_unregister_all_pkey_meths, e, nids,
112			num_nids, 1);
113			}
114			return 1;
115			}
116
117			/* Exposed API function to get a functional reference from the implementation
118			* table (ie. try to get a functional reference from the tabled structural
119			* references) for a given pkey_meth 'nid' */
120			ENGINE *
121			ENGINE_get_pkey_meth_engine(int nid)
122			{
123		154536	return engine_table_select(&pkey_meth_table, nid);
124			}
125
126			/* Obtains a pkey_meth implementation from an ENGINE functional reference */
127			const EVP_PKEY_METHOD *
128			ENGINE_get_pkey_meth(ENGINE *e, int nid)
129			{
130			EVP_PKEY_METHOD *ret;
131			ENGINE_PKEY_METHS_PTR fn = ENGINE_get_pkey_meths(e);
132
133			if (!fn \|\| !fn(e, &ret, NULL, nid)) {
134			ENGINEerror(ENGINE_R_UNIMPLEMENTED_PUBLIC_KEY_METHOD);
135			return NULL;
136			}
137			return ret;
138			}
139
140			/* Gets the pkey_meth callback from an ENGINE structure */
141			ENGINE_PKEY_METHS_PTR
142			ENGINE_get_pkey_meths(const ENGINE *e)
143			{
144			return e->pkey_meths;
145			}
146
147			/* Sets the pkey_meth callback in an ENGINE structure */
148			int
149			ENGINE_set_pkey_meths(ENGINE *e, ENGINE_PKEY_METHS_PTR f)
150			{
151			e->pkey_meths = f;
152			return 1;
153			}
154
155			/* Internal function to free up EVP_PKEY_METHOD structures before an
156			* ENGINE is destroyed
157			*/
158
159			void
160			engine_pkey_meths_free(ENGINE *e)
161			{
162			int i;
163		6192	EVP_PKEY_METHOD *pkm;
164
165	✗✓	3096	if (e->pkey_meths) {
166			const int *pknids;
167			int npknids;
168			npknids = e->pkey_meths(e, NULL, &pknids, 0);
169			for (i = 0; i < npknids; i++) {
170			if (e->pkey_meths(e, &pkm, NULL, pknids[i])) {
171			EVP_PKEY_meth_free(pkm);
172			}
173			}
174			}
175		3096	}